1:
  type: web
  title: "SKOS Simple Knowledge Organization System Primer"
  author: ["Isaac, Antoine", "Summers, Ed"]
  date: 2009
  url: "https://www.w3.org/TR/skos-primer/"
  publisher: "W3C"

2:
  type: web
  title: "OWL 2 Web Ontology Language Primer (Second Edition)"
  author:
    - "Hitzler, Pascal"
    - "Krötzsch, Markus"
    - "Parsia, Bijan"
    - "Patel-Schneider, Peter"
    - "Rudolph, Sebastian"
  date: 2012
  url: "https://www.w3.org/TR/owl-primer/"
  publisher: "W3C"

3:
  type: web
  title: "Argos"
  author: ["National Assembly Library of Korea"]
  url: "https://argos.nanet.go.kr/"
